Musschenbroek, Petrus van, Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae

Table of contents

< >
[Item 1.]
[2.] PETRI VAN MUSSCHENBROEK A. L. M. Med. & Phil. D. Phil. & Matheſ. Profeſſ. in Acad. Ultraj. PHYSICÆ EXPERIMENTALES, ET GEOMETRICÆ, DE MAGNETE, TUBORUM CAPILLARIUM VITREORUM-QUE SPECULORUM ATTRACTIONE, MAGNITUDINE TERRÆ, COHÆRENTIA CORPORUM FIRMORUM DISSERTATIONES: UTET EPHEMERIDES METEOROLOGICÆ ULTRAJECTINÆ.
[3.] LUGDUNI BATAVORUM, Apud SAMUELEM LUCHTMANS, MDCCXXIX.
[4.] NOBILISSIMIS ET AMPLISSIMIS VIRIS LUCÆ VAN VOORST, JCTO. ET HENRICO VAN SOESTDYK, INCLYTÆ URBIS TRAJECTINÆ CONSULIBUS, HAS DISSERTATIONES EA QUA PAR EST OBSERVANTIA D. D. D. PETRUS VAN MUSSCHENBROEK.
[5.] LECTORI SALUTEM.
[6.] ERRATA TYPOGRAPHICA.
[7.] Berigt voor den Boekbinder.
[8.] DISSERTATIO PHYSICA EXPERIMENTALIS DE MAGNETE. PRÆFATIO.
[9.] Ex Ferro meruit vitam, ferrique rigore Veſcitur, has dulces epulas, hæc pabula novit.
[10.] DISSERTATIO PHYSICA EXPERIMENTALIS DE MAGNETE. CAPUT I. DE ACTIONE MAGNETUM IN SE MUTUO.
[11.] EXPERIMENTUMI
[12.] EXPERIMENTUM II.
[13.] EXPERIMENTUM III.
[14.] EXPERIMENTUM IV.
[15.] EXPERIMENTUM V.
[16.] EXPERIMENTUM VI.
[17.] EXPERIMENTUM VII. & VIII.
[18.] EXPERIMENTUM IX, X, XI, XII.
[19.] EXPERIMENTUM XIII.
[20.] EXPERIMENTUM XIV.
[21.] EXPERIMENTUM XV.
[22.] CAPUT II. DE ACTIONE MAGNETIS IN FERRUM.
[23.] Flagrat anbela ſilex, & amicam ſaucia ſentit Materiam, placidosque chalybs cognoſcit amores.
[24.] EXPERIMENTUM XVI.
[25.] EXPERIMENTUM XVII.
[26.] EXPERIMENTUM XVIII.
[27.] EXPERIMENTUM XIX.
[28.] EXPERIMENTUM XX.
[29.] EXPERIMENTUM XXI.
[30.] EXPERIMENTUM XXII.
< >
page |< < (78) of 795 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div39" type="section" level="1" n="39">
          <p>
            <s xml:id="echoid-s1871" xml:space="preserve">
              <pb o="78" file="0092" n="92" rhead="DISSERTATIO"/>
            lum ſignum virtutis ederent; </s>
            <s xml:id="echoid-s1872" xml:space="preserve">itaque beneficio egregii Magnetis pul-
              <lb/>
            verem unum ex alio ſeparare nitebar, verum erat adeo homogeneus,
              <lb/>
            ut, totus quantus erat, attraheretur: </s>
            <s xml:id="echoid-s1873" xml:space="preserve">tum menſuravi ad quanmam
              <lb/>
            a Magnete diſtantiam attrahebatur, ut poſtea cognoſcerem, an quod
              <lb/>
            produceretur arte, vi majori an minori polleret: </s>
            <s xml:id="echoid-s1874" xml:space="preserve">pulverem immiſ-
              <lb/>
            ſum crucibulo, ſuperius aperto, in furno Anemi poſui, urſique ve-
              <lb/>
            hementi igne, excitato è carbonibus ligneis, quibus undique obrue-
              <lb/>
            batur, ſpatio trium horarum, quo toto tempore valde candeſce-
              <lb/>
            bat: </s>
            <s xml:id="echoid-s1875" xml:space="preserve">omnibus poſtea refrigeratis, examinanti quid in crucibulo e-
              <lb/>
            rat, apparuit pulvis idem, ejuſdem coloris, ac ante ignitionem:
              <lb/>
            </s>
            <s xml:id="echoid-s1876" xml:space="preserve">pulverem in crucibulo impactum antequam igni committebam, ob-
              <lb/>
            verti Verſorio 6 pollicum, gradatim propius admovendo, ut in qua-
              <lb/>
            nam diſtantia illud agitaret, accuratius intelligerem, diſtantiam
              <lb/>
            notaveram, nunc iterum crucibulum cum injecto pulvere Verſorio
              <lb/>
            eidem objeci, idque in eadem diſtantia, ac ante, attraxit: </s>
            <s xml:id="echoid-s1877" xml:space="preserve">Deinde
              <lb/>
            ſupra pulverem ex crucibulo excuſſum Magnetem tenui eundem, qui
              <lb/>
            in eadem diſtantia ac ante non attrahebatur quidem illico, ſed poſt-
              <lb/>
            quam per Minutum ſecundum unum alterumve exſpectaveram, tum
              <lb/>
            vero attractus fuit æque valide, quam ante Ignitionem.</s>
            <s xml:id="echoid-s1878" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1879" xml:space="preserve">Ad pondus Magnetis ante & </s>
            <s xml:id="echoid-s1880" xml:space="preserve">poſt Ignitionem non attendi, quia
              <lb/>
            præcavere non poteram, quin cineres carbonum in crucibulum aper-
              <lb/>
            tum inciderint, qui pondus verum mutabant.</s>
            <s xml:id="echoid-s1881" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1882" xml:space="preserve">Ex hoc eventu igitur liquet vim attrahentem Magnetis non
              <lb/>
            facile penitus expelli poſſe ope Ignitionis, licet ea ex integro Magne-
              <lb/>
            te multum imminuatur, unde videtur, quando ad certum uſque gra-
              <lb/>
            dum vis periit, non ulterius eam ignitione paucarum horarum de-
              <lb/>
            creſcere; </s>
            <s xml:id="echoid-s1883" xml:space="preserve">quod oſtendit principium attractionis in Magnete non eſſe
              <lb/>
            admodum volatile.</s>
            <s xml:id="echoid-s1884" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div40" type="section" level="1" n="40">
          <head xml:id="echoid-head48" xml:space="preserve">PROCESSUS SECUNDUS.</head>
          <p>
            <s xml:id="echoid-s1885" xml:space="preserve">Exploravi deinde, an principium attractionis Magneticæ non
              <lb/>
            volatile reddi poſſet, Magnetis pulveri admiſcendo corpora Sali-
              <lb/>
            na, quæ ſubtiliſſime omnia penetrare ſolent, & </s>
            <s xml:id="echoid-s1886" xml:space="preserve">ſecum abripere,
              <lb/>
            atque in altum elevare, quæcunque levia & </s>
            <s xml:id="echoid-s1887" xml:space="preserve">ſubtilia reddi poſſunt:
              <lb/>
            </s>
            <s xml:id="echoid-s1888" xml:space="preserve">Hunc in finem ſumſi Magnetis ejuſdem in pollinem reducti, & </s>
            <s xml:id="echoid-s1889" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>